Home / 1,420,853.04-1,960,805.42-776,313.16

Finding the Fourth Proportional to 1,420,853.04, 1,960,805.42 and 776,313.16

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Solution

The fourth proportional to 1,420,853.04, 1,960,805.42 and 776,313.16 is: 1,071,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,853.04 : 1,960,805.42 = 776,313.16 : x
  2. Step 2: Convert to fraction form
    1,420,853.04/1,960,805.42 = 776,313.16/x
  3. Step 3: Cross multiply
    1,420,853.04x = 1,960,805.42 × 776,313.16
  4. Step 4: Simplify right side
    1,420,853.04x = 1,522,199,051,745.33
  5. Step 5: Solve for x
    x = 1,522,199,051,745.33/1,420,853.04
  6. Step 6: Final answer
    x = 1,071,327.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.